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Starter Motor 45-2323, 12V 9T 2.0KW — replacement for Thermo King SB-200, SB-210, SB-300, SB-310, SL100–SL400 transport refrigeration units.
Dispatch and arrival window quoted at point of order, not after payment.
Stocked Ready — Guangzhou warehouse holds this 12V 9T starter for Thermo King SB and SL units, dispatch confirmed before you pay.
| Parameter | Value |
|---|---|
| Part Number | 45-2323 |
| Product Type | Starter Motor |
| Cross-Reference | 45-2323, 452323, 10-45-1688, 45-1688, 845-1688, 845-2323, 10451688, 451688, 8451688, 8452323, 20-45-1688, 20-45-2323, 20-45-2323RM, 20451688, 20452323, 20452323RM, S13-207A, S13-207C, S13207A, S13207C, 126486-77010, 126486-77011, 129486-77011, 12648677010, 12648677011, 12948677011 (reference only) |
| Machine Fitment | Thermo King SB-200, SB-210, SB-300, SB-310, SB-II SR, SB-III SR, SL100, SL200, SL300, SL400 |
| Voltage | 12V |
| Power | 2.0KW |
| Teeth Count | 9T |
| Condition | New Aftermarket |
| Warranty | 3-12 months against manufacturing defects |
| Standards | ISO 9001 |
| Failure Symptom | Replacement Urgency |
|---|---|
| Starter motor clicks but engine fails to crank on SB-200 or SB-210 unit | Immediate — perishable cargo temperature rising, load at risk |
| Intermittent engagement or slow cranking on SL200 or SL300 | High — unit may fail to restart after a routine stop, stranding cargo mid-route |
| Complete no-crank condition on SB-300, SB-310, or SB-III SR | Critical — truck or trailer refrigeration unit inoperable until replacement fitted |
| Burnt smell or excessive current draw from starter circuit | Scheduled replacement — internal windings degrading, full failure imminent |
| Worn drive gear teeth visible on inspection of SB-II SR or SL400 starter | Urgent — ring gear damage likely if engagement continues unchecked |
A downed refrigeration unit with perishables inside is a countdown, not a project.
When a Thermo King SB or SL unit stops cranking on a Tuesday night, the clock on that cargo starts running out fast. I have watched operators wait through multi-week lead times on starter motors that should have been a one-day fix, simply because the supplier needed to source it from a second warehouse. A single Starter Motor 45-2323 in stock fast shipping replacement means the difference between a routine swap and a spoiled load claim [NEED_CITE: cold chain integrity requirements for transport refrigeration equipment].
The problem compounds when minimum order quantities block a single emergency purchase. You need one unit, not a pallet. And if the nameplate on the old starter is painted over or corroded past recognition, confirming the right part number can burn another day you do not have. Every hour the unit sits silent, internal cargo temperature drifts further from the setpoint, and the risk of product rejection at the delivery gate climbs [NEED_CITE: temperature excursion consequences in perishable goods transport].
The starter motor is among the first components to fail on transport refrigeration units that cycle through hundreds of start-stop events per week. Our Guangzhou warehouse keeps the 12V 9T 2.0KW Starter Motor 45-2323 in stock fast shipping replacement configuration, ready to move the moment your order is confirmed. We monitor depletion patterns across the SB-200, SB-300, and SL series to maintain coverage on the models most frequently serviced in the field.
You send us a blurred nameplate photo, a machine model, or even just a description of the failure — and we confirm fitment within hours, not days. No bulk commitment required. One Starter Motor 45-2323 in stock fast shipping replacement ships the same way a full overhaul kit would: packed for courier, tracked door to door. We have identified the correct starter from a grease-smudged serial plate that a distributor's cross-reference table listed as discontinued [NEED_CITE: aftermarket part identification from worn equipment nameplates].
Dispatch timing is confirmed before you commit payment. Express, air, and sea freight options are quoted with estimated arrival windows based on your destination — not buried in fine print or revealed after the invoice is settled. Real-time tracking follows the parcel from our warehouse to your depot, so your repair bay can schedule the teardown around the delivery, not guess at it.
The 12V rating matches the standard electrical system on Thermo King transport refrigeration units. The 9-tooth drive gear must mesh precisely with the engine flywheel ring gear; a mismatch here causes grinding, incomplete engagement, or flywheel tooth damage that turns a starter swap into a ring gear replacement. The 2.0KW output delivers the cranking torque required for diesel engines in these SB and SL units, particularly under cold-start conditions where oil viscosity increases the breakaway load. New aftermarket condition means the solenoid, armature, and brush assembly are unused, eliminating the gamble inherent in remanufactured cores of unknown service history [NEED_CITE: starter motor cranking torque requirements for diesel refrigeration engines].
A starter motor that looks right on the spec sheet but has the wrong spline count or mounting flange pattern arrives at your depot, the tech pulls the old unit, and the new one will not seat. Now you are reassembling a half-disconnected refrigeration unit with no starter, the cargo still warming, and a return shipment to arrange. That scenario adds days of downtime where hours were the original problem. We verify the 45-2323 (cross-reference) against your specific machine model and serial range before anything leaves the shelf [NEED_CITE: common causes of starter motor fitment failure in aftermarket replacements].
Our Guangzhou warehouse stocks fast-failure items like this starter motor for immediate dispatch, not back-order. You order one piece — our minimum is one, not a case lot. Compatibility is verified from part number, machine model, or a photograph you send at midnight. Cross-reference verification covers superseded and alternate numbers so an older listing does not send you the wrong unit. A technical team confirms grade and fitment before the box closes. Self-produced lines and sourced supply carry the same warranty terms under one account.
Send us the part number from your old unit, the Thermo King model designation (SB-200, SL300, or otherwise), or a photograph of the nameplate — however clear or worn it may be. We will confirm stock status, verify fitment against your specific serial range, and quote your arrival window before you place the order.
Q: Is this starter motor in stock and how fast can it ship? A: The 12V 9T 2.0KW Starter Motor 45-2323 (cross-reference) is held in our Guangzhou warehouse for fast-moving Thermo King SB and SL applications. Stock status is confirmed in real time when you enquire, and dispatch typically occurs within 2-5 working days of order confirmation, depending on your chosen freight method.
Q: Can I order just one piece for an emergency repair? A: Yes. Our minimum order is one piece. Emergency single-unit purchases for refrigeration unit breakdowns are a core part of our operation, and a single starter motor ships with the same tracking and documentation as a bulk order.
Q: How do I confirm fitment if the nameplate is worn or painted over? A: Send us a photograph of whatever identification remains, along with the Thermo King unit model such as SB-310 or SL400. Our team cross-references machine model, serial range, and known superseded numbers to verify the correct 45-2323 variant before dispatch.
Q: What are the express vs. air vs. sea arrival windows to my location? A: Express courier delivery typically reaches international destinations within days. Air freight follows within a short window after dispatch. Sea freight suits non-urgent restocking. Exact arrival timing is quoted based on your destination at point of order, not after payment.
Q: What happens if the part arrives and does not match my unit? A: If the starter motor does not fit the specified Thermo King model despite our cross-reference confirmation, we arrange replacement under our warranty terms. Contact us immediately with photographs of the received part and your unit's identification plate for resolution.
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
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